From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/demos/expr/expr-impl.h | 125 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 gmp-6.3.0/demos/expr/expr-impl.h (limited to 'gmp-6.3.0/demos/expr/expr-impl.h') diff --git a/gmp-6.3.0/demos/expr/expr-impl.h b/gmp-6.3.0/demos/expr/expr-impl.h new file mode 100644 index 0000000..9b6458f --- /dev/null +++ b/gmp-6.3.0/demos/expr/expr-impl.h @@ -0,0 +1,125 @@ +/* Implementation specifics for expression evaluation. + +Copyright 2000-2002, 2004 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of either: + + * the GNU Lesser General Public License as published by the Free + Software Foundation; either version 3 of the License, or (at your + option) any later version. + +or + + * the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + +or both in parallel, as here. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received copies of the GNU General Public License and the +GNU Lesser General Public License along with the GNU MP Library. If not, +see https://www.gnu.org/licenses/. */ + +#include + +#include "expr.h" + + +#define isasciidigit(c) (isascii (c) && isdigit (c)) +#define isasciicsym(c) (isascii (c) && (isalnum(c) || (c) == '_')) + +#define isasciidigit_in_base(c,base) \ + (isascii (c) \ + && ((isdigit (c) && (c)-'0' < (base)) \ + || (isupper (c) && (c)-'A'+10 < (base)) \ + || (islower (c) && (c)-'a'+10 < (base)))) + + +union mpX_t { + mpz_t z; + mpq_t q; + mpf_t f; +}; + +typedef union mpX_t *mpX_ptr; +typedef const union mpX_t *mpX_srcptr; + +typedef void (*mpexpr_fun_one_t) (mpX_ptr); +typedef unsigned long (*mpexpr_fun_ui_one_t) (mpX_ptr); + +typedef void (*mpexpr_fun_0ary_t) (mpX_ptr); +typedef int (*mpexpr_fun_i_0ary_t) (void); + +typedef void (*mpexpr_fun_unary_t) (mpX_ptr, mpX_srcptr); +typedef void (*mpexpr_fun_unary_ui_t) (mpX_ptr, unsigned long); +typedef int (*mpexpr_fun_i_unary_t) (mpX_srcptr); +typedef int (*mpexpr_fun_i_unary_ui_t) (unsigned long); + +typedef void (*mpexpr_fun_binary_t) (mpX_ptr, mpX_srcptr, mpX_srcptr); +typedef void (*mpexpr_fun_binary_ui_t) (mpX_ptr, mpX_srcptr, unsigned long); +typedef int (*mpexpr_fun_i_binary_t) (mpX_srcptr, mpX_srcptr); +typedef int (*mpexpr_fun_i_binary_ui_t) (mpX_srcptr, unsigned long); + +typedef void (*mpexpr_fun_ternary_t) (mpX_ptr, mpX_srcptr, mpX_srcptr, mpX_srcptr); +typedef void (*mpexpr_fun_ternary_ui_t) (mpX_ptr, mpX_srcptr, mpX_srcptr, unsigned long); +typedef int (*mpexpr_fun_i_ternary_t) (mpX_srcptr, mpX_srcptr, mpX_srcptr); +typedef int (*mpexpr_fun_i_ternary_ui_t) (mpX_srcptr, mpX_srcptr, unsigned long); + +typedef size_t (*mpexpr_fun_number_t) (mpX_ptr, const char *str, size_t len, int base); +typedef void (*mpexpr_fun_swap_t) (mpX_ptr, mpX_ptr); +typedef unsigned long (*mpexpr_fun_get_ui_t) (mpX_srcptr); +typedef void (*mpexpr_fun_set_si_t) (mpX_srcptr, long); + +struct mpexpr_control_t { + const struct mpexpr_operator_t *op; + int argcount; +}; + +#define MPEXPR_VARIABLES 26 + +struct mpexpr_parse_t { + const struct mpexpr_operator_t *table; + + mpX_ptr res; + int base; + unsigned long prec; + const char *e; + size_t elen; + mpX_srcptr *var; + int error_code; + + int token; + const struct mpexpr_operator_t *token_op; + + union mpX_t *data_stack; + int data_top; + int data_alloc; + int data_inited; + + struct mpexpr_control_t *control_stack; + int control_top; + int control_alloc; + + mpexpr_fun_0ary_t mpX_clear; + mpexpr_fun_i_unary_t mpX_ulong_p; + mpexpr_fun_get_ui_t mpX_get_ui; + mpexpr_fun_unary_ui_t mpX_init; + mpexpr_fun_number_t mpX_number; + mpexpr_fun_unary_t mpX_set; + mpexpr_fun_unary_t mpX_set_or_swap; + mpexpr_fun_set_si_t mpX_set_si; + mpexpr_fun_swap_t mpX_swap; +}; + + +int mpexpr_evaluate (struct mpexpr_parse_t *p); +int mpexpr_va_to_var (void *var[], va_list ap); +size_t mpexpr_mpz_number (mpz_ptr res, const char *e, size_t elen, int base); -- cgit v1.2.3